Media columnist Michael Wolff certainly knows an attention-getting quote. Appearing with Air America CEO Bennett Zier and CraigsList’s Craig Newmark in a panel discussion sponsored by Gotham Media Ventures, the head of aggregation site Newser, predicted that big media, whether it’s newspapers or conglomerates, are just months away from the dustbin of history. “About 18 months from now, 80 percent of newspapers will be gone. The Washington Post is supported by Kaplan